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<p>- How to create a GDAL driver:
<a class="moz-txt-link-freetext" href="https://gdal.org/en/stable/tutorials/raster_driver_tut.html">https://gdal.org/en/stable/tutorials/raster_driver_tut.html</a></p>
<p>- GDAL-GRASS plugin driver example:
<a class="moz-txt-link-freetext" href="https://github.com/OSGeo/gdal-grass/">https://github.com/OSGeo/gdal-grass/</a><br>
</p>
<div class="moz-cite-prefix">Le 07/07/2025 à 11:37, John Smith a
écrit :<br>
</div>
<blockquote type="cite"
cite="mid:TYZPR06MB4015AD97EBE074F50E53E10E884FA@TYZPR06MB4015.apcprd06.prod.outlook.com">
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<div>Yeah</div>
<div>I am after that kind of explanation. </div>
<div><a id="OWAAM184247" class="TWjEI"
href="mailto:gdal-dev@lists.osgeo.org" translate="no"
data-ogsb="" style="" moz-do-not-send="true">@Even Rouault via
gdal-dev</a> - Do you think there is any quick explanation
available for this scenario?</div>
<hr style="display:inline-block;width:98%" tabindex="-1">
<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt"
face="Calibri, sans-serif" color="#000000"><b>From:</b>
Parveen Sharma <a class="moz-txt-link-rfc2396E" href="mailto:sharma1981@outlook.com"><sharma1981@outlook.com></a><br>
<b>Sent:</b> Monday, July 7, 2025 9:21 AM<br>
<b>To:</b> Even Rouault via gdal-dev
<a class="moz-txt-link-rfc2396E" href="mailto:gdal-dev@lists.osgeo.org"><gdal-dev@lists.osgeo.org></a>; John Smith
<a class="moz-txt-link-rfc2396E" href="mailto:johnsmith7862025@outlook.com"><johnsmith7862025@outlook.com></a>; Even Rouault
<a class="moz-txt-link-rfc2396E" href="mailto:even.rouault@spatialys.com"><even.rouault@spatialys.com></a><br>
<b>Subject:</b> Re: [gdal-dev] Proxy vs Real Driver in GDAL</font>
<div> </div>
</div>
<div>
<div
style="font-family:inherit; font-size:inherit; color:rgb(0,0,0)">Thanks
Even</div>
<div
style="font-family:inherit; font-size:inherit; color:rgb(0,0,0)"><br>
</div>
<div
style="font-family:inherit; font-size:inherit; color:rgb(0,0,0)">Still
do you think I could have a brief intro if it's an in-tree
driver. So from that point of view what would constitute a
proxy and real driver?</div>
<br>
<hr tabindex="-1" style="display:inline-block; width:98%">
<div id="x_divRplyFwdMsg" dir="ltr"><font data-ogsc=""
style="font-size:11pt" face="Calibri, sans-serif"
color="#000000"><b>From:</b> gdal-dev
<a class="moz-txt-link-rfc2396E" href="mailto:gdal-dev-bounces@lists.osgeo.org"><gdal-dev-bounces@lists.osgeo.org></a> on behalf of Even
Rouault via gdal-dev <a class="moz-txt-link-rfc2396E" href="mailto:gdal-dev@lists.osgeo.org"><gdal-dev@lists.osgeo.org></a><br>
<b>Sent:</b> Monday, July 7, 2025 5:03 PM<br>
<b>To:</b> John Smith <a class="moz-txt-link-rfc2396E" href="mailto:johnsmith7862025@outlook.com"><johnsmith7862025@outlook.com></a>;
Even Rouault via gdal-dev <a class="moz-txt-link-rfc2396E" href="mailto:gdal-dev@lists.osgeo.org"><gdal-dev@lists.osgeo.org></a><br>
<b>Subject:</b> Re: [gdal-dev] Proxy vs Real Driver in GDAL</font>
<div> </div>
</div>
<div>
<p style="margin-top:0px; margin-bottom:0px">John,</p>
<p style="margin-top:0px; margin-bottom:0px"><br>
</p>
<p style="margin-top:0px; margin-bottom:0px">As stated in the
intro, this RFC is mostly for *in-tree* drivers. If you
develop an out-of-tree plugin that doesn't modify GDAL
sources, then you can ignore it</p>
<p style="margin-top:0px; margin-bottom:0px"><br>
</p>
<p style="margin-top:0px; margin-bottom:0px">Even<br>
</p>
<p style="margin-top:0px; margin-bottom:0px"><br>
</p>
<div class="x_x_moz-cite-prefix">Le 07/07/2025 à 10:55, John
Smith via gdal-dev a écrit :<br>
</div>
<blockquote type="cite">
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style="font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
Hello</div>
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<br>
</div>
<div class="x_x_elementToProof"
style="font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
Can anyone explain the concept of proxy driver and real
driver in GDAL? I am looking at the link
<a
href="https://gdal.org/en/stable/development/rfc/rfc96_deferred_plugin_loading.html"
data-auth="NotApplicable" id="LPlnk339250"
class="x_x_moz-txt-link-freetext moz-txt-link-freetext"
moz-do-not-send="true">
https://gdal.org/en/stable/development/rfc/rfc96_deferred_plugin_loading.html</a></div>
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style="font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
<br>
</div>
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style="font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
Say I create an external plugin of some data format for
e.g. say JP2 and then some Geospatial server loads my
plugin file.</div>
<div class="x_x_elementToProof"
style="font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
<br>
</div>
<ol
data-editing-info="{"applyListStyleFromLevel":false,"orderedStyleType":6}"
style="margin-top:0px; margin-bottom:0px" start="1">
<li
style="font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); list-style-type:"a) "">
<div role="presentation" class="x_x_elementToProof">In
this scenario I think the geospatial driver needs GDAL
libs as well?</div>
</li>
<li
style="font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); list-style-type:"b) "">
<div role="presentation" class="x_x_elementToProof">Now
what is the proxy driver and what is real driver in
this context? Is the real driver inside GDAL or inside
my plugin?</div>
</li>
<li
style="font-family:Aptos,Aptos_EmbeddedFont,Aptos_MSFontService,Calibri,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); list-style-type:"c) "">
<div role="presentation" class="x_x_elementToProof">What
is the proxy driver in context of question (b)</div>
<div role="presentation" class="x_x_elementToProof"><br>
</div>
<div role="presentation" class="x_x_elementToProof"><br>
</div>
</li>
</ol>
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Please clarify me so that I have clear picture in my mind.</div>
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<br>
</div>
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BR</div>
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John </div>
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<pre class="x_x_moz-quote-pre">_______________________________________________
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</blockquote>
<pre class="x_x_moz-signature" cols="72">--
<a href="http://www.spatialys.com" data-auth="NotApplicable"
class="x_x_moz-txt-link-freetext moz-txt-link-freetext"
moz-do-not-send="true">http://www.spatialys.com</a>
My software is free, but my time generally not.</pre>
</div>
</div>
</blockquote>
<pre class="moz-signature" cols="72">--
<a class="moz-txt-link-freetext" href="http://www.spatialys.com">http://www.spatialys.com</a>
My software is free, but my time generally not.</pre>
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